Encyclopedias, Almanacs, Transcripts, and Maps
- Ishim (river, Russia and Kazakhstan)
- Ishimbay
- Ishinomaki
- Ishmaiah
- Ishui
- ISIL
- ISIS (in Iraqi and Syrian history)
- Iskandariyah, Al
- Iskander Bey
- Isker
- Iskŭr
- Isla, José Francisco de
- Islamic State
- Islamic State in Iraq and Syria
- Islamic State in Iraq and the Levant
- Island No. 10
- Isle La Motte
- Isle Royale National Park
- Îsle-aux-Coudres
- Isles of the Blest